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HomeShop SuppliesAdductSherwin-Williams CM0120787 Adduct for Chrome Hazard Free Epoxy Primer - Gallon
Sherwin-Williams CM0120787 Adduct for Chrome Hazard Free Epoxy Primer - Gallon
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Sherwin-Williams CM0120787 Adduct for Chrome Hazard Free Epoxy Primer - Gallon

Part#: CM0120787GA
Our Price: $179.10
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Material Safety Information
Code: UN2924 | Class: 3 | Group: III - Details
Material Safety Data Sheet: MSDS1
CA Prop 65 WarningWarning: This product may contain a chemical known by the State of California to cause health issues. Details found here
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This adduct is designed specifically to be used with Sherwin-Williams CM0483787 High Solids Chrome Hazard Free Epoxy Primer. CM0483787 is a high performance, two-component, corrosion inhibitive Epoxy Primer that contains no chromate and is designed to meet Boeing BMS 10-79 and MIL-PRF-23377, Type I, Class N specifications.
Surface Preparation

To insure proper primer adhesion to the substrate, all contaminates must be removed. Depending on the type of substrate to be prepared, different methods should be used. There are a variety of processes to prepare these substrates for primer and painting.

Sherwin-Williams primers are designed to go over various treatments (i.e., alclad or anodized aluminum, composite, fiberglass, magnesium, and stainless steel) as well as properly prepared metal and composite substrates. Please refer to recommendations for cleaning, application, and preparation before painting to the manufacturer of the treatment.

Mixing Instructions

Shake primer component for 15 minutes before admixing.

Admix by Volume:

    3 Parts Chrome Hazard Free Epoxy Primer CM0483787
    1 Part Adduct CM0120787
    1 Part Reducer CM0110787

Add the Adduct and Reducer into the Primer Component. Stir in slowly and allow a 15-minute induction time.

It is recommended to filter strain admixed primer before placing material in containers for spraying.


This product can be applied using conventional air spray HVLP, Graco electrostatic airspray or air assisted airless. See Chart on Page three for details regarding gun settings.

Drying Schedule

Dry times are based on the dry film thickness of 0.6-1.2 mils (15-30 microns).

Air Dry Times (75F / 25C and 50% RH):
To light sand or apply topcoat: 2 Hours 24 Hours*

Force Dry (140F [60C], 45% RH):
To light sand or apply topcoat: 20-30 Minutes

* If an intermediate primer or topcoat is not applied within 8 hours of primer application, light scuff sanding using P240, P320 paper and/or red abrasive pads will be required for good intercoat adhesion.

NOTE: Lower temperatures, heavy film thickness, improper activator range selection and poor air movement will extend the dry time.

Equipment Cleanup

Use clean Ketonetype solvents such as CM0110308 MEK. Do not allow material to cure inside equipment.

Shelf Life

One year shelf life is applicable only for materials stored in unopened and undamaged original factory filled containers.

Minimum Storage Temp: 40F / 4C
Maximum Storage Temp: 100F / 37C

Product Details
UOM : Gallon
Size : Gallon
Color Family : Clear
Shipping Weight : 9 pounds
Manufacturer P/N : CM0120787
Schedule B Code : 3815.90.0000
Disclaimer: While reasonable efforts have been made to ensure all information on this website is accurate, and Styles Logistics, Inc. do not assume responsibility for any errors or omissions. All specifications, illustrations, data and prices are subject to change without notice.
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